Home / 56,405.73-84,549.06-18,930.27

Finding the Fourth Proportional to 56,405.73, 84,549.06 and 18,930.27

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Solution

The fourth proportional to 56,405.73, 84,549.06 and 18,930.27 is: 28,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,405.73 : 84,549.06 = 18,930.27 : x
  2. Step 2: Convert to fraction form
    56,405.73/84,549.06 = 18,930.27/x
  3. Step 3: Cross multiply
    56,405.73x = 84,549.06 × 18,930.27
  4. Step 4: Simplify right side
    56,405.73x = 1,600,536,534.05
  5. Step 5: Solve for x
    x = 1,600,536,534.05/56,405.73
  6. Step 6: Final answer
    x = 28,375.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.